Q: Is 3,331,720 a Composite Number?

Why is 3,331,720 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 3,331,720 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 73 140 146 163 280 292 326 365 511 584 652 730 815 1,022 1,141 1,304 1,460 1,630 2,044 2,282 2,555 2,920 3,260 4,088 4,564 5,110 5,705 6,520 9,128 10,220 11,410 11,899 20,440 22,820 23,798 45,640 47,596 59,495 83,293 95,192 118,990 166,586 237,980 333,172 416,465 475,960 666,344 832,930 1,665,860 and 3,331,720, with no remainder.

Since 3,331,720 cannot be divided by just 1 and 3,331,720, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).